Structural Engineering and Mechanics
Volume 60, Number 2, 2016, pages 175-191
DOI: 10.12989/sem.2016.60.2.175
Moving load response on the stresses produced in an irregular microstretch substrate
Tanupreet Kaur , Satish Kumar Sharma , Abhishek Kumar Singh , Mriganka Shekhar Chaki
Abstract
The present article is aimed at an investigation of stresses produced in a microstretch elastic halfspace due to a moving load. The expressions of normal stress, shear stress and tangential couple stress produced in this case have been obtained in closed form. To find the displacement fields the perturbation method is applied. Significant effect of moving load on variation of stresses developed at different depths below the surface due to the depth of substrate and frictional coefficient of the rough surface of the medium has been observed. The effects of different shapes of irregularity and depth of irregularity on normal, shear and tangential couple stresses have been discussed. Some particular cases have also been deduced from the present investigation. Finally, the analytical developments have been illustrated numerically for aluminiumepoxy- like material substrate under the action of moving load.
Key Words
moving load; microstretch; frictional coefficient; irregularity; stresses
Address
- Tanupreet Kaur and Satish Kumar Sharma — School of Mathematics, Thapar University, Patiala-147004, Punjab, India
- Abhishek Kumar Singh and Mriganka Shekhar Chaki — Department of Applied Mathematics, Indian School of Mines, Dhanbad-826004, Jharkhand, India
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